- if (g && !num)
- num = DEFBITS;
-
-#ifndef OPENSSL_NO_DSA
- if (dsaparam)
- {
- if (g)
- {
- BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n");
- goto end;
- }
- }
- else
-#endif
- {
- /* DH parameters */
- if (num && !g)
- g = 2;
- }
-
- if(num) {
-
- BN_GENCB cb;
- BN_GENCB_set(&cb, dh_cb, bio_err);
- if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
- {
- BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
- }
- if (inrand != NULL)
- BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
- app_RAND_load_files(inrand));
-
-#ifndef OPENSSL_NO_DSA
- if (dsaparam)
- {
- DSA *dsa = DSA_new();
-
- BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
- if(!dsa || !DSA_generate_parameters_ex(dsa, num,
- NULL, 0, NULL, NULL, &cb))
- {
- if(dsa) DSA_free(dsa);
- ERR_print_errors(bio_err);
- goto end;
- }
-
- dh = DSA_dup_DH(dsa);
- DSA_free(dsa);
- if (dh == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- else
-#endif
- {
- dh = DH_new();
- BIO_printf(bio_err,"Generating DH parameters, %d bit long safe prime, generator %d\n",num,g);
- BIO_printf(bio_err,"This is going to take a long time\n");
- if(!dh || !DH_generate_parameters_ex(dh, num, g, &cb))
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
-
- app_RAND_write_file(NULL, bio_err);
- } else {
-
- in=BIO_new(BIO_s_file());
- if (in == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- if (infile == NULL)
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- else
- {
- if (BIO_read_filename(in,infile) <= 0)
- {
- perror(infile);
- goto end;
- }
- }
-
- if (informat != FORMAT_ASN1 && informat != FORMAT_PEM)
- {
- BIO_printf(bio_err,"bad input format specified\n");
- goto end;
- }
-
-#ifndef OPENSSL_NO_DSA
- if (dsaparam)
- {
- DSA *dsa;
-
- if (informat == FORMAT_ASN1)
- dsa=d2i_DSAparams_bio(in,NULL);
- else /* informat == FORMAT_PEM */
- dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);
-
- if (dsa == NULL)
- {
- BIO_printf(bio_err,"unable to load DSA parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
-
- dh = DSA_dup_DH(dsa);
- DSA_free(dsa);
- if (dh == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- else
-#endif
- {
- if (informat == FORMAT_ASN1)
- dh=d2i_DHparams_bio(in,NULL);
- else /* informat == FORMAT_PEM */
- dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL);
-
- if (dh == NULL)
- {
- BIO_printf(bio_err,"unable to load DH parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
-
- /* dh != NULL */
- }
-
- out=BIO_new(BIO_s_file());
- if (out == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- if (outfile == NULL)
- {
- BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- out = BIO_push(tmpbio, out);
- }
-#endif
- }
- else
- {
- if (BIO_write_filename(out,outfile) <= 0)
- {
- perror(outfile);
- goto end;
- }
- }
-
-
- if (text)
- {
- DHparams_print(out,dh);
- }
-
- if (check)
- {
- if (!DH_check(dh,&i))
- {
- ERR_print_errors(bio_err);
- goto end;
- }
- if (i & DH_CHECK_P_NOT_PRIME)
- printf("p value is not prime\n");
- if (i & DH_CHECK_P_NOT_SAFE_PRIME)
- printf("p value is not a safe prime\n");
- if (i & DH_UNABLE_TO_CHECK_GENERATOR)
- printf("unable to check the generator value\n");
- if (i & DH_NOT_SUITABLE_GENERATOR)
- printf("the g value is not a generator\n");
- if (i == 0)
- printf("DH parameters appear to be ok.\n");
- }
- if (C)
- {
- unsigned char *data;
- int len,l,bits;
-
- len=BN_num_bytes(dh->p);
- bits=BN_num_bits(dh->p);
- data=(unsigned char *)OPENSSL_malloc(len);
- if (data == NULL)
- {
- perror("OPENSSL_malloc");
- goto end;
- }
- printf("#ifndef HEADER_DH_H\n"
- "#include <openssl/dh.h>\n"
- "#endif\n");
- printf("DH *get_dh%d()\n\t{\n",bits);
-
- l=BN_bn2bin(dh->p,data);
- printf("\tstatic unsigned char dh%d_p[]={",bits);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t\t};\n");
-
- l=BN_bn2bin(dh->g,data);
- printf("\tstatic unsigned char dh%d_g[]={",bits);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t\t};\n");
-
- printf("\tDH *dh;\n\n");
- printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
- printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
- bits,bits);
- printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
- bits,bits);
- printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n");
- printf("\t\t{ DH_free(dh); return(NULL); }\n");
- if (dh->length)
- printf("\tdh->length = %ld;\n", dh->length);
- printf("\treturn(dh);\n\t}\n");
- OPENSSL_free(data);
- }
-
-
- if (!noout)
- {
- if (outformat == FORMAT_ASN1)
- i=i2d_DHparams_bio(out,dh);
- else if (outformat == FORMAT_PEM)
- {
- if (dh->q)
- i=PEM_write_bio_DHxparams(out,dh);
- else
- i=PEM_write_bio_DHparams(out,dh);
- }
- else {
- BIO_printf(bio_err,"bad output format specified for outfile\n");
- goto end;
- }
- if (!i)
- {
- BIO_printf(bio_err,"unable to write DH parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- ret=0;
-end:
- if (in != NULL) BIO_free(in);
- if (out != NULL) BIO_free_all(out);
- if (dh != NULL) DH_free(dh);
- apps_shutdown();
- OPENSSL_EXIT(ret);
- }
+ if (g && !num)
+ num = DEFBITS;
+
+# ifndef OPENSSL_NO_DSA
+ if (dsaparam) {
+ if (g) {
+ BIO_printf(bio_err,
+ "generator may not be chosen for DSA parameters\n");
+ goto end;
+ }
+ } else
+# endif
+ {
+ /* DH parameters */
+ if (num && !g)
+ g = 2;
+ }
+
+ if (num) {
+
+ BN_GENCB *cb;
+ cb = BN_GENCB_new();
+ if (!cb) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ BN_GENCB_set(cb, dh_cb, bio_err);
+ if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) {
+ BIO_printf(bio_err,
+ "warning, not much extra random data, consider using the -rand option\n");
+ }
+ if (inrand != NULL)
+ BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
+ app_RAND_load_files(inrand));
+
+# ifndef OPENSSL_NO_DSA
+ if (dsaparam) {
+ DSA *dsa = DSA_new();
+
+ BIO_printf(bio_err,
+ "Generating DSA parameters, %d bit long prime\n", num);
+ if (!dsa
+ || !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL,
+ cb)) {
+ if (dsa)
+ DSA_free(dsa);
+ BN_GENCB_free(cb);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ dh = DSA_dup_DH(dsa);
+ DSA_free(dsa);
+ if (dh == NULL) {
+ BN_GENCB_free(cb);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ } else
+# endif
+ {
+ dh = DH_new();
+ BIO_printf(bio_err,
+ "Generating DH parameters, %d bit long safe prime, generator %d\n",
+ num, g);
+ BIO_printf(bio_err, "This is going to take a long time\n");
+ if (!dh || !DH_generate_parameters_ex(dh, num, g, cb)) {
+ BN_GENCB_free(cb);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+
+ BN_GENCB_free(cb);
+ app_RAND_write_file(NULL, bio_err);
+ } else {
+
+ in = BIO_new(BIO_s_file());
+ if (in == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (infile == NULL)
+ BIO_set_fp(in, stdin, BIO_NOCLOSE);
+ else {
+ if (BIO_read_filename(in, infile) <= 0) {
+ perror(infile);
+ goto end;
+ }
+ }
+
+ if (informat != FORMAT_ASN1 && informat != FORMAT_PEM) {
+ BIO_printf(bio_err, "bad input format specified\n");
+ goto end;
+ }
+# ifndef OPENSSL_NO_DSA
+ if (dsaparam) {
+ DSA *dsa;
+
+ if (informat == FORMAT_ASN1)
+ dsa = d2i_DSAparams_bio(in, NULL);
+ else /* informat == FORMAT_PEM */
+ dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
+
+ if (dsa == NULL) {
+ BIO_printf(bio_err, "unable to load DSA parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ dh = DSA_dup_DH(dsa);
+ DSA_free(dsa);
+ if (dh == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ } else
+# endif
+ {
+ if (informat == FORMAT_ASN1)
+ dh = d2i_DHparams_bio(in, NULL);
+ else /* informat == FORMAT_PEM */
+ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
+
+ if (dh == NULL) {
+ BIO_printf(bio_err, "unable to load DH parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+
+ /* dh != NULL */
+ }
+
+ out = BIO_new(BIO_s_file());
+ if (out == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (outfile == NULL) {
+ BIO_set_fp(out, stdout, BIO_NOCLOSE);
+# ifdef OPENSSL_SYS_VMS
+ {
+ BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+ out = BIO_push(tmpbio, out);
+ }
+# endif
+ } else {
+ if (BIO_write_filename(out, outfile) <= 0) {
+ perror(outfile);
+ goto end;
+ }
+ }
+
+ if (text) {
+ DHparams_print(out, dh);
+ }
+
+ if (check) {
+ if (!DH_check(dh, &i)) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (i & DH_CHECK_P_NOT_PRIME)
+ printf("p value is not prime\n");
+ if (i & DH_CHECK_P_NOT_SAFE_PRIME)
+ printf("p value is not a safe prime\n");
+ if (i & DH_UNABLE_TO_CHECK_GENERATOR)
+ printf("unable to check the generator value\n");
+ if (i & DH_NOT_SUITABLE_GENERATOR)
+ printf("the g value is not a generator\n");
+ if (i == 0)
+ printf("DH parameters appear to be ok.\n");
+ }
+ if (C) {
+ unsigned char *data;
+ int len, l, bits;
+
+ len = BN_num_bytes(dh->p);
+ bits = BN_num_bits(dh->p);
+ data = (unsigned char *)OPENSSL_malloc(len);
+ if (data == NULL) {
+ perror("OPENSSL_malloc");
+ goto end;
+ }
+ printf("#ifndef HEADER_DH_H\n"
+ "#include <openssl/dh.h>\n" "#endif\n");
+ printf("DH *get_dh%d()\n\t{\n", bits);
+
+ l = BN_bn2bin(dh->p, data);
+ printf("\tstatic unsigned char dh%d_p[]={", bits);
+ for (i = 0; i < l; i++) {
+ if ((i % 12) == 0)
+ printf("\n\t\t");
+ printf("0x%02X,", data[i]);
+ }
+ printf("\n\t\t};\n");
+
+ l = BN_bn2bin(dh->g, data);
+ printf("\tstatic unsigned char dh%d_g[]={", bits);
+ for (i = 0; i < l; i++) {
+ if ((i % 12) == 0)
+ printf("\n\t\t");
+ printf("0x%02X,", data[i]);
+ }
+ printf("\n\t\t};\n");
+
+ printf("\tDH *dh;\n\n");
+ printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
+ printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
+ bits, bits);
+ printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
+ bits, bits);
+ printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n");
+ printf("\t\t{ DH_free(dh); return(NULL); }\n");
+ if (dh->length)
+ printf("\tdh->length = %ld;\n", dh->length);
+ printf("\treturn(dh);\n\t}\n");
+ OPENSSL_free(data);
+ }
+
+ if (!noout) {
+ if (outformat == FORMAT_ASN1)
+ i = i2d_DHparams_bio(out, dh);
+ else if (outformat == FORMAT_PEM) {
+ if (dh->q)
+ i = PEM_write_bio_DHxparams(out, dh);
+ else
+ i = PEM_write_bio_DHparams(out, dh);
+ } else {
+ BIO_printf(bio_err, "bad output format specified for outfile\n");
+ goto end;
+ }
+ if (!i) {
+ BIO_printf(bio_err, "unable to write DH parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+ ret = 0;
+ end:
+ if (in != NULL)
+ BIO_free(in);
+ if (out != NULL)
+ BIO_free_all(out);
+ if (dh != NULL)
+ DH_free(dh);
+ apps_shutdown();
+ OPENSSL_EXIT(ret);
+}